Erik Wilsher schrieb:
> After some further digging and testing with other COM-servers, I found
> out that I was creating new objects in my client code, rather than
> connecting to the active object.
Ok, so I assume your events are working now.
> So the hurdle now is to register an
> instance of my COM-server (written using comtypes) as the active
> object in the ROT. This is quite challenging, and I've tried various
> combinations of RegisterActiveObject without any success. Any clues
> on how to register an instance would be most welcome.
Here is some code that wraps the RegisterActiveObject and RevokeActiveObject
functions:
<snip>
ACTIVEOBJECT_STRONG = 0x0
ACTIVEOBJECT_WEAK = 0x1
import comtypes, ctypes
oleaut32 = ctypes.oledll.oleaut32
def RegisterActiveObject(comobj, weak=True):
punk = comobj._com_pointers_[comtypes.IUnknown._iid_]
clsid = comobj._reg_clsid_
if weak:
flags = ACTIVEOBJECT_WEAK
else:
flags = ACTIVEOBJECT_STRONG
handle = ctypes.c_ulong()
oleaut32.RegisterActiveObject(punk,
ctypes.byref(clsid),
flags,
ctypes.byref(handle))
return handle.value
def RevokeActiveObject(handle):
oleaut32.RevokeActiveObject(handle, None)
<snip/>
RegisterActiveObject(...) can be called with an instance of a COM object
implemented
with comtypes (I tried it with the test code in comtypes\test\TestComServer.py).
I guess this code should go into comtypes\server\__init__.py, but further
integration
into comtypes\server\localserver.py is probably needed (this I guess from
reading
the MSDN docs for RegisterActiveObject).
--
Thanks,
Thomas
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